Variational methods in economics /
By G. Hadley and M. C. Kemp.
- North-Holland Pub. Co. : Amsterdam ; American Elsevier Pub. Co. : New York, 1971.
- ix, 378 p. ; 23 cm.
- Advanced textbooks in economics ; v.1 .
'Sole distributors for the U.S.A.: American Elsevier, New York, N.Y.'